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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1137 | * |
| 1138 | * @return string Hidden input HTML for replying to comments |
| 1139 | */ |
| 1140 | function get_comment_id_fields() { |
| 1141 | global $id; |
| 1142 | |
| 1143 | $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0; |
| 1144 | $result = "<input type='hidden' name='comment_post_ID' value='$id' id='comment_post_ID' />\n"; |
| 1145 | $result .= "<input type='hidden' name='comment_parent' id='comment_parent' value='$replytoid' />\n"; |
| 1146 | return apply_filters('comment_id_fields', $result, $id, $replytoid); |
| 1147 | } |
| 1148 | |
| 1149 | /** |
| 1150 | * Output hidden input HTML for replying to comments. |
| 1151 | * |
| 1152 | * @since 2.7.0 |
| 1153 | * @see get_comment_id_fields() Echoes result |
| 1154 | */ |
| 1155 | function comment_id_fields() { |